Frame jamb extrusion



FIG. 1 is a fragmentary top perspective view of the frame jamb extrusion showing my design;

FIG. 2 is a right elevational view thereof broken away to indicate indeterminate length;

FIG. 3 is a left elevational view thereof broken away to indicate indeterminate length; and

FIG. 4 is a front elevational view thereof in which the rear elevational view is a mirror image of the front view. 

The ornamental design for a frame jamb extrusion, as shown and described. 